diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59768601..5fba51e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     - showing an error popup when **AppImageLauncher** messes up with an application installation
 - Flatpak:
     - Runtimes now are categorized as "runtime"
+    - Formatting the API categories to the same format provided by the other packaging technologies
 - AUR:
     - showing a "user-friendly" popup when there are integrity issues with the source-files of a building package
     - not waiting for the categories file to be retrieved from the cloud during application boot ( reduces boot time )
diff --git a/bauh/gems/flatpak/controller.py b/bauh/gems/flatpak/controller.py
index e87ef831..0da44b1c 100644
--- a/bauh/gems/flatpak/controller.py
+++ b/bauh/gems/flatpak/controller.py
@@ -25,6 +25,7 @@ def __init__(self, context: ApplicationContext):
         super(FlatpakManager, self).__init__(context=context)
         self.i18n = context.i18n
         self.api_cache = context.cache_factory.new()
+        self.category_cache = context.cache_factory.new()
         context.disk_loader_factory.map(FlatpakApplication, self.api_cache)
         self.enabled = True
         self.http_client = context.http_client
@@ -46,7 +47,8 @@ def _map_to_model(self, app_json: dict, installed: bool, disk_loader: DiskCacheL
                     disk_loader.fill(app)  # preloading cached disk data
 
                 if internet:
-                    FlatpakAsyncDataLoader(app=app, api_cache=self.api_cache, manager=self, context=self.context).start()
+                    FlatpakAsyncDataLoader(app=app, api_cache=self.api_cache, manager=self,
+                                           context=self.context, category_cache=self.category_cache).start()
 
         else:
             app.fill_cached_data(api_data)
diff --git a/bauh/gems/flatpak/worker.py b/bauh/gems/flatpak/worker.py
index dcb5e933..cbc9812e 100644
--- a/bauh/gems/flatpak/worker.py
+++ b/bauh/gems/flatpak/worker.py
@@ -1,3 +1,4 @@
+import re
 import traceback
 from threading import Thread
 
@@ -9,10 +10,12 @@
 from bauh.gems.flatpak.constants import FLATHUB_API_URL, FLATHUB_URL
 from bauh.gems.flatpak.model import FlatpakApplication
 
+RE_SPLIT_UPPER = re.compile(r'[A-Z][a-z]*')
+
 
 class FlatpakAsyncDataLoader(Thread):
 
-    def __init__(self, app: FlatpakApplication, manager: SoftwareManager, context: ApplicationContext, api_cache: MemoryCache):
+    def __init__(self, app: FlatpakApplication, manager: SoftwareManager, context: ApplicationContext, api_cache: MemoryCache, category_cache: MemoryCache):
         super(FlatpakAsyncDataLoader, self).__init__(daemon=True)
         self.app = app
         self.manager = manager
@@ -20,6 +23,7 @@ def __init__(self, app: FlatpakApplication, manager: SoftwareManager, context: A
         self.api_cache = api_cache
         self.persist = False
         self.logger = context.logger
+        self.category_cache = category_cache
 
     def run(self):
         if self.app:
@@ -51,7 +55,17 @@ def run(self):
                         self.app.icon_url = FLATHUB_URL + self.app.icon_url
 
                     if data.get('categories'):
-                        self.app.categories = [c['name'] for c in data['categories']]
+                        cats = []
+                        for c in data['categories']:
+                            cached = self.category_cache.get(c['name'])
+
+                            if not cached:
+                                cached = ' '.join(RE_SPLIT_UPPER.findall(c['name'])).lower()
+                                self.category_cache.add_non_existing(c['name'], cached)
+
+                            cats.append(cached)
+
+                        self.app.categories = cats
 
                     loaded_data = self.app.get_data_to_cache()